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Search results for: dental interventions
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A J-lossless coprime factorisation approach to H control in delta domain
PublicationPraca dotyczy sterowania wielowymiarowym obiektem dynamicznym czasu ciągłego opisanym dyskretnoczasowym modelem w przestrzeni stanu, przy założeniu, że wskaźnik jakości sterowania oparty jest na normie H-inf. Odpowiednie zadanie optymalizacji tego wskaźnika rozwiązuje się, stosując tak zwaną względnie pierwszą J-bezstratną faktoryzację modelu sterowanego. Pokazano, że synteza optymalnego sterownika, wymagająca rozwiązania dwóch...
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Aspects of the biomonitoring studies using mosses and lichens as indicatorsof metal pollution.
PublicationWykazano, wbrew wszelkim ograniczeniom, że mchy i porosty są dobrymi narzędziami służącymi do monitorowania zanieczyszczenia powietrza. Najlepsze rezultaty przynoszą badania w których stosuje się zarówno mchy jak i porosty łącznie, ponieważ rośliny te różnią się retencją i przyswajalnością metali.W pracy przedstawiono pasywną oraz aktywną formę monitoringu z wykorzystaniem biowskaźników i omówiono zalety oraz ograniczenia...
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I-lossless factorisations for robust H-inf-control in delta-domain
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Noble metal–TiO2 supported catalysts for the catalytic ozonation of parabens mixtures
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Application of Coordination Compounds with Transition Metal Ions in the Chemical Industry—A Review
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Metal status in human endometrium: Relation to cigarette smoking and histological lesions
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Emulsion cleaning of metal surfaces contaminated with fresh and oxidized printing ink.
PublicationWykonano badania usuwania farby drukarskiej, stosowanej do druku offsetowego za pomocą emulsji terpentyny i hexanu w wodzie.
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Lightweight glass and metal roof structures in the 19th century. Architecture and construction.
PublicationThe 19th century brought new construction possibilities. The usage of metal elements in mesh structures, filled in with glass, resulted in creating entirely new types of objects. They have distinguished themselves in architecture and technical solutions. The envelope structures giving spatial interiors were arising very quickly. They have been enabling large light penetration, triggering them extremely bright. Thus these building...
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Metal enhanced fluorescence of flavin mononucleotide using new plasmonic platform
PublicationNew plasmonic platform was successfully obtained to investigate the increase of fluorescence intensity of a fluorophore in the presence of silver nanoparticles. A flavin mononucleotide, was selected by us as a fluorophore for this study as a very important biological compound playing a key role in many biochemical process. Plasmonic platforms were characterized by means of luminescence spectroscopy. Flavin mononucleotide deposited...
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Assessment of hydrogenation of deposited metal of P 62 MR covered electrodes
PublicationThe determination of diffusible hydrogen content in deposited metal of P 62 MR covered electrodes for manual metal arc welding by mercury method was carried out. The test results indicate that covered electrodes 62 P MR grade generate a mean of 4.02 ml/100g of diffusible hydrogen in deposited metal, which is consistent with H5 class.
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Mixed conductivity in tungstenite-phosphate glasses containing alkali metal ions
PublicationThe conductivity of glasses in the 50WO3-(50-x)P2O5-xA2O (A = Na, K, Cs) system has been investigated as a function of composition. It is shown that in tungstenite-phosphate glasses containing different alkali metal ions the conductivity decreases with an increase in the alkali metal ion content. A decrease in conductivity is larger for heavier ions and reaches more than seven orders of magnitude in the case of glass containing...
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Calix[4]arene-Thioamides as Ionophores for Transition and Heavy Metal Cations.
PublicationPochodne kaliks[4]arenów odgrywają ważną rolę jako materiał aktywny w membranowych elektrodach jonoselektywnych. Obecnie duży nacisk kładzie się na kontrolę stężeń kationów metali ciężkich, takich jak Pb, Cd, Hg, Cu w wodach naturalnych. Naszym zadaniem było zaprojektować i zsyntezować ligandy, które wykazują zdolność do wiązania kationów metali ciężkich i przejściowych. Synteza, struktury krystaliczne, ekstrakcja i właściwości...
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Calix[4]arene-Thioamides as Ionophores for Transition and Heavy Metal cations
PublicationCalix[4]arene derivatives play an important role as sensing materials in Ion Selective Electrodes(ISEs). Nowadays a high impact is put to control in natural waters the level of toxic heavy metals, like Pb ,Cd, Hg or Cu which may cause the great risk to human health. Our goal was to design and to synthesize ligands possessing ability to bind transition and heavy metal cations. The synthesis, crystal structures,extractive and ionophoric...
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Remediation techniques for elimination of heavy metal pollutants from soil: A review
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Airborne peptidoglycans as a supporting indicator of bacterial contamination in a metal processing plant
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Conservative Treatment of Didelphyc Uterus with Obstructed Hemivagina and Ipsilateral Renal Agenesis
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Acute renal failure due to leptospirosis. Diagnostic challenges – a case report
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TOLLIP Protein Expression Predicts Unfavorable Outcome in Renal Cell Carcinoma
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Tribological performance of PTFE-metal binary coatings in rolling/sliding contact
PublicationTribological performance of surface coatings with embedded PTFE reservoirs in rolling/sliding contact is reported. Using two different coating materials and two shapes and patterns of PTFE reservoirs test samples in the form of discs were prepared and tested in a four-ball contact configuration under loads corresponding to nominal contact pressure of 0.5 and 1.0 GPa. It was found that one coating, namely aluminium-bronze with embedded...
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Indoor atmospheric degradation of historical metal objects studied by spectroscopic techniques
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Speciation of heavy metal compounds in samples of biota from marine ecosystems
PublicationIt has become increasingly evident that the toxicity, mobility, bioavailability and bioaccumulation of metals are dependent on the particular physico-chemical form in which the element occurs in the environment. Special attention is paid to metals, which are essential for the proper functioning of organisms if present in appropriate amounts but are toxic if in excess (i.e. Se, Cr, Zn), and also to non-essential elements (i.e. Hg,...
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Characterization and photocatalytic activity of rare earth metal-doped titanium dioxide
PublicationW publikacji została przedstawiona metoda otrzymywania fotokatalizatorów na bazie TiO2 modyfikowanego erbem i iterbem. Otrzymane nanocząstki zostały scharakteryzowane za pomocą powierzchni właściwej BET, objętości porów. Zostały przedstawione widma absorpcyjne UV-Vis oraz właściwości fluorescencyjne otrzymanych nanoproszków. Dokonano również przedstawienia wyników pomiaru aktywności fotokatalitycznej pod wpływem promieniowania...
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Nonlinear FEM analysis of irregular shells composed of fiber metal laminates
PublicationThe paper deals with the analysis of failure initiation in shells made of Fiber Metal Laminates (FML). The elas-tic material law for orthotropic lamina is stated accounting for asymmetric in-plane stress and strain measures. The asymmetry results from the employed general nonlinear 6-field shell theory where the generalized dis-placements involve the translation and the proper rotation field. The novelty of the presented results...
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Investigation of behaviour of metal structures with polymer dampers under dynamic loads
PublicationA large number of accidents concerning structures subjected to dynamic loads have been recently observed. One of the examples of such a structure is a temporary steel grandstand erected using scaffolding system. Dynamic load that is generated by crowd movement has a significant influence on the behaviour of the structure and may lead to excessive structural vibrations. The aim of the study is to consider the idea of using polymer...
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THE INFLUENCE OF WATER-LAND RELATIONS ON THE LANDSCAPE AND ARCHITECTURE OF THE VISTULA DELTA (POLAND)
PublicationThe Vistula Delta is unique region of water domination. In this part of Europe, historic rural assumptions have been developing since the 12th century. Practically, it can be said that most of the systems were related to the coexistence of the human and the water element. Relations of water and land, developed specific types of villages such as a water-based village. Water landscape; polders, canals, dikes and rivers, hydro-technical...
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The 15th Workshop on Progress in Trace Metal Speciation for Environmental Analytical Chemistry
PublicationArtykuł jest sprawozdaniem z konferencji TRACESPEC - the 15th Workshop on progress in trace Metal Speciation for Environmental Analytical Chemistry, ktora odbyla sie we wrzesniu 2016 na Politechnice Gdańskiej. W artykule przedstawiono głowne cele i załozenia konferencji oraz opisano program naukowy.
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Application of non-metal doped titania for inverted polymer solar cells
PublicationDomieszkowany jodem oraz domieszkowany jodem ditlenek tytanu uzyto jako warstwę buforową w ogniwie ITO/X-TiO2?P3HT-PCMB /MnO2/ Ag.Warswty X-TiO2 nalożono metodą spin-coatingu z zawiesiny nanocząstek w DMSO. Jednorodne struktury scharakteryzowane pod względem morfologii mikroskopowo metodą AFM. Charakterystyka prądowo-napięciowa urzdzeń wskazuje iż domieszkowany jodem TiO2 pozwala osiągnąć lepsze parametry PCE (1,67%) i prąd zwarcia...
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Metal-organic frameworks (MOF) based heat transfer: A comprehensive review
PublicationHigher than a standard level, the humidity provides a suitable environment for the pathogenic microorganisms to grow and increases energy consumption for cooling, increasing greenhouse gas emissions. Desiccant air-conditioning (DAC) is an effective method to reduce humidity and energy simultaneously. Conventional desiccants are not suitable for use as a desiccant in building air conditioners, mainly because of high regeneration...
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Signature of Oxide-Ion Conduction in Alkaline-Earth-Metal-Doped Y3GaO6
PublicationWe have studied alkaline-earth-metal-doped Y3GaO6 as a new family of oxide-ion conductor. Solid solutions of Y3GaO6 and 2% −Ca2+-, −Sr2+-, and −Ba2+-doped Y3GaO6, i.e., Y(3−0.06)M0.06GaO6−δ (M = Ca2+, Sr2+, and Ba2+), were prepared via a conventional solid-state reaction route. X-ray Rietveld refined diffractograms of all the compositions showed the formation of an orthorhombic structure having the Cmc21 space group. Scanning electron...
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The effect of laser on metal surfaces for multidisciplinary usage in material and thermal engineering
PublicationThe subject of heat transfer and cooling systems is still a matter of contention in many different fields of science and industry. Infrigidation is much more difficult than warming, and so, much more needed in more and more different devices, starting from massive industrial machinery and air conditioning in commercial buildings, up to micro and nano-surgery tools. In fact, the size of many cooling systems is still a problem. It...
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Pylenie metalu w środowisku rafineryjnym = Metal dusting in refinery environment
PublicationPrzedstawiono niektóre wyniki pierwszego etapu pracy zaprojektowanej w celu określenia mechanizmu pylenia stali 9Cr-1Mo w środowisku pieców Platformingu CCR oraz wpływu dodatku siarki w środowisku na degradację mikrostruktury stali w zaawansowanym etapie pylenia.
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MEDIA ARCHITECTURE AND INTERACTIVE ART INSTALLATIONS STIMULATING HUMAN INVOLVEMENT AND ACTIVITIES IN PUBLIC SPACES
PublicationThis paper examines the potential for media architecture and interactive art installations to stimulate human involvement and activities in public spaces. On the basis of theoretical approaches, case studies and interdisciplinary surveys, the paper provides insight into how screens projecting media and interactive installations in city spaces can inspire people to become active on many levels. The research is focused, both on temporary...
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Short-term Shocks and Long-term Relationships of Interdependencies Among Central European Capital Markets
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Double layer adhesive silicone dressing as a potential dermal drug delivery film in scar treatment
PublicationThe present studies focused on the evaluation of design of an adhesive silicone film intended for scar treatment. Developed silicone double layer film was examined in terms of its future relevance to therapy and applicability on the human skin considering properties which included in vitro permeability of water vapor and oxygen. In order to adapt the patches for medical use in the future there were tested such properties as...
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Central and Eastern European states in global production linkages: country-level and sector-level analysis
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Plant ornaments in the architectural detail of Art Nouveau tenement houses and villas of Jeżyce and Łazarz in Poznań
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Deviations of treeline Norway spruce radial growth from summer temperatures in East-Central Europe
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Distribution of invasive Cylindrospermopsis raciborskii in the East-Central Europe is driven by climatic and local environmental variables
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Antioxidative properties of some vegetable products traditional for diets in Central European diet - short report
PublicationBadania nad przeciwutleniającymi właściwościami wybranych warzywnych produktów spożywczych prowadzone były przy użyciu testu ABTS i testu kometkowego. Wykazano, że spośród badanych produktów najwyższą aktywność przeciwutleniającą wykazywał koncentrat buraczany oraz kiszona kapusta. Sok z kiszonej kapusty w badaniach przy użyciu komórek białaczki i testu kometkowego miał zdolność ochrony komórek przed aktywnymi formami tlenu.
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Impedimetric Method to Monitor Biological Layer Formation on Central Venous Catheters for Hemodialysis Made of Carbothane
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Single median maxillary central incisor syndrome and variant in SMO gene associated with SHH pathway
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Trade of the European Union with the Post-Soviet Republics of Central Asia in the Second Decade of the 21st Century
Publication.The article presents the European Union's trade with five Central Asian countries: Kazakhstan, Turkmenistan, Tajikistan, Kigistan and Uzbekistan in the two decades of the 21st century.
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Double layer adhesive silicone dressing as a potential dermal drug delivery film in scar treatment
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Physical and mathematical modelling of implant-fascia system in order to improve laparoscopic repair of ventral hernia
PublicationThis paper describes an investigation of biomechanical behaviour of hernia repair, which is focused on the selection of safe linking of certain type of implant with fascia in laparoscopic operation. The strength of various fixations of the implant to the fascia is analysed. Methods: The research is based on experimental observations of operated hernia model behaviour during a dynamic impulse load corresponding to post-operative...
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Parallel Implementation of the Discrete Green's Function Formulation of the FDTD Method on a Multicore Central Processing Unit
PublicationParallel implementation of the discrete Green's function formulation of the finite-difference time-domain (DGF-FDTD) method was developed on a multicore central processing unit. DGF-FDTD avoids computations of the electromagnetic field in free-space cells and does not require domain termination by absorbing boundary conditions. Computed DGF-FDTD solutions are compatible with the FDTD grid enabling the perfect hybridization of FDTD...
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Central nervous system prophylaxis with intrathecal liposomal cytarabine in diffuse large B‑cell lymphomas
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The central server of the Border Guard's distributed multimedia system for monitoring and visualisation of ongoing and archival events
PublicationThe paper presents the architecture and functionalities of the central server (CENTER) of the distributed system for the Polish Border Guard (BG) for monitoring maritime areas. The overall system has been extended to incorporate, apart from map data, also different multimedia elements such as video from cameras or audio from telephone connections operated by BG units. This requires new system elements: Archive Servers for storing...
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Efficient Usage of Dense GNSS Networks in Central Europe for the Visualization and Investigation of Ionospheric TEC Variations
PublicationThe technique of the orthogonal projection of ionosphere electronic content variations for mapping total electron content (TEC) allows us to visualize ionospheric irregularities. For the reconstruction of global ionospheric characteristics, numerous global navigation satellite system (GNSS) receivers located in different regions of the Earth are used as sensors. We used dense GNSS networks in central Europe to detect and investigate...
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Fracture Toughness and Shear Yield Strength Determination for Two Selected Species of Central European Provenance
PublicationWhen offcut of wood is formed by shearing, Atkins’s analyses of sawing processes can be applied. Using this modern approach, it is possible to determine the fracture toughness and shear yield strength of wood. This model is only applicable for the axial-perpendicular cutting direction because both of these parameters are suitable for the given direction of cutting edge movement and cannot be considered material constants. Alternatively,...
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ESG investing during the Covid-19 crisis. Evidence from Central European Stock Exchanges
PublicationAs COVID-19 turned into a global pandemic, world markets gradually began to recover after initial dynamic declines. Restrictions, and their subsequent loosening, were, and are, not without significance for the financial markets. These particular circumstances provide a unique opportunity to contribute to the literature by focusing on the potential resilience of ESG (environmental, social and governance) investing in an era of crisis....